[INFO] cloning repository https://github.com/veryshyjelly/mnist_classification_burn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/veryshyjelly/mnist_classification_burn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveryshyjelly%2Fmnist_classification_burn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveryshyjelly%2Fmnist_classification_burn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 835db2631cc0b001e00c4a3cc85d5af9627c8267
[INFO] checking veryshyjelly/mnist_classification_burn against try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveryshyjelly%2Fmnist_classification_burn" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/veryshyjelly/mnist_classification_burn
[INFO] finished tweaking git repo https://github.com/veryshyjelly/mnist_classification_burn
[INFO] tweaked toml for git repo https://github.com/veryshyjelly/mnist_classification_burn written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/veryshyjelly/mnist_classification_burn on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/veryshyjelly/mnist_classification_burn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.51
[INFO] [stderr]   Downloaded burn v0.11.1
[INFO] [stderr]   Downloaded thiserror v1.0.51
[INFO] [stderr]   Downloaded time-macros v0.2.16
[INFO] [stderr]   Downloaded burn-tensor-testgen v0.11.1
[INFO] [stderr]   Downloaded deranged v0.3.10
[INFO] [stderr]   Downloaded seq-macro v0.3.5
[INFO] [stderr]   Downloaded thread-tree v0.3.3
[INFO] [stderr]   Downloaded burn-compute v0.11.1
[INFO] [stderr]   Downloaded gemm-c64 v0.16.15
[INFO] [stderr]   Downloaded wrapcenum-derive v0.4.0
[INFO] [stderr]   Downloaded gemm-c32 v0.16.15
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[INFO] [stderr]   Downloaded gemm-common v0.16.15
[INFO] [stderr]   Downloaded gix-hash v0.12.0
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.3
[INFO] [stderr]   Downloaded burn-tensor v0.11.1
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded pulp v0.18.6
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[INFO] [stderr]   Downloaded burn-wgpu v0.11.1
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[INFO] [stderr]   Downloaded time v0.3.31
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[INFO] [stderr]   Downloaded burn-autodiff v0.11.1
[INFO] [stderr]   Downloaded rmp-serde v1.1.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.17
[INFO] [stderr]   Downloaded gix-tempfile v8.0.0
[INFO] [stderr]   Downloaded burn-dataset v0.11.1
[INFO] [stderr]   Downloaded anyhow v1.0.76
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[INFO] [stderr]   Downloaded nvml-wrapper-sys v0.7.0
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[INFO] [stderr]   Downloaded serde_rusqlite v0.34.0
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[INFO] [stderr]   Downloaded burn-common v0.11.1
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[INFO] [stderr]   Downloaded gemm-f64 v0.16.15
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[INFO] [stderr]   Downloaded windows v0.51.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 989298296d85ba8faa92e9b1d947057fb72079bd628df9e41aac0d56f25d07d0
[INFO] running `Command { std: "docker" "start" "-a" "989298296d85ba8faa92e9b1d947057fb72079bd628df9e41aac0d56f25d07d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989298296d85ba8faa92e9b1d947057fb72079bd628df9e41aac0d56f25d07d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989298296d85ba8faa92e9b1d947057fb72079bd628df9e41aac0d56f25d07d0", kill_on_drop: false }`
[INFO] [stdout] 989298296d85ba8faa92e9b1d947057fb72079bd628df9e41aac0d56f25d07d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a27085e3c80978a15a14ab504c9856e343a5a3d19bdccfedcbab72cc0081c8
[INFO] running `Command { std: "docker" "start" "-a" "f1a27085e3c80978a15a14ab504c9856e343a5a3d19bdccfedcbab72cc0081c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]     Checking gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking ahash v0.8.6
[INFO] [stderr]     Checking wgpu-types v0.18.0
[INFO] [stderr]     Checking gpu-alloc v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.8.6/src/lib.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f1a27085e3c80978a15a14ab504c9856e343a5a3d19bdccfedcbab72cc0081c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a27085e3c80978a15a14ab504c9856e343a5a3d19bdccfedcbab72cc0081c8", kill_on_drop: false }`
[INFO] [stdout] f1a27085e3c80978a15a14ab504c9856e343a5a3d19bdccfedcbab72cc0081c8